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2-2
A Guide to TracVision LF/SF
2.1 Choosing the Best Location
• Since the TracVision antenna requires a clear view
of the southern sky to receive satellite signals, the
ideal antenna site has an unobstructed view of the
horizon/satellite all around.
• Keep the antenna clear of any obstructions on the
roof (e.g., air conditioners). The antenna requires a
15º to 75º look angle to receive satellite signals.
• Consider the location of the antenna relative to the
location of any equipment or necessary wiring
within the vehicle.
• Be sure to mount the antenna on a horizontal
surface with a minimum roof (or other mounting
surface) radius of 250". In other words, when
placed flat on the mounting surface, the mounting
plates should be less than
7
⁄16" above the mounting
surface (see Figure 2-2). Any larger gap will warp
the baseplate and seriously damage the antenna.
Blocked!
TracVision Antenna
Air Conditioner
Vehicle Roof
Figure 2-1
Antenna Blockage
" Maximum Gap
7
16
Figure 2-2
Maximum Mounting Surface Slope